Topics created by Brendon

HI @Brendon
J9 and that LED are "mostly" independent.
J9 is our USB-C port, whereas that LED is indicating the VBUS power is present for J3 USB host port.

There are several things that might make this LED turn off:

SW control, using GPIO_157. That controls the power switch for J3, so if that is set LOW, it will disable the VBUS on J3.

J3 is only able to source ~900mA max current. If you are indeed using J3 and not J9, please check your device is not pulling too much current. If you are using an actual 1S battery, as the voltage drops, so will the current capabilities. So, if you are pulling too much, you are putting a droop into the VBUS. If you are running a fan on 5V and a magnetometer unit at 5V, that also takes away from the max capability as listed here: https://docs.modalai.com/voxl2-mini-connectors/#power-inputoutput-important-note

If you are loosing ADB, that is indicative of a board reset or a short on the USB-C port. This is where the Moderator's comments come into play as well. Clearly a reset will cycle power on both J9 USB-C and J3 USB Host ports. A short on USB-C may force the power mgmt chips to cycle power as well.

Are you able to send a picture of your setup, including your power supply to VOXL 2 Mini? That will help us guide you further.

Thanks!

@tom Yes sir.

Voxl 2 mini J9 USB port <=> Android Phone attempting to use accessory mode to directly communicate without additional external hardware for networking or similar.

I've used that port as the host for USB storage previously, ADB, etc. but this use is resisting our efforts.

@Brendon Does your device show up with sudo fdisk -l?

On my setup, I tested with a random SanDisk drive:

The last device in the list is

Device Boot Start End Sectors Size Id Type /dev/sdg1 2048 60088319 60086272 28.7G 83 Linux

I can then create a dir to mount to, i.e.:

sudo mkdir /media/USB-Drive

and mount the drive:

sudo mount /dev/sdg1 /media/USB-Drive/

and then see the file on my drive:

voxl2:~$ ls /media/USB-Drive/ hello

@david-moro It would be better to start a new thread with that topic.

@Moderator I'll take a look at that code. Can you tell me which UARTs currently are available as tty devices?

I may be able to rewiring things to use different ports while I wait.

Thanks.

@Moderator Can you take a look at my new post.
I can see that the mount command in syslog. No errors, but the mounted file system doesn't show up.

Thanks,
Brendon.